142 lines
6.2 KiB
Diff
142 lines
6.2 KiB
Diff
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Backport from https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commit;h=41488498b6
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See https://bugzilla.redhat.com/show_bug.cgi?id=1135841
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Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
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diff -Nura eglibc-2.19.orig/libc/iconvdata/ibm1364.c eglibc-2.19/libc/iconvdata/ibm1364.c
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--- eglibc-2.19.orig/libc/iconvdata/ibm1364.c 2015-01-08 16:05:53.918823240 -0300
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+++ eglibc-2.19/libc/iconvdata/ibm1364.c 2015-01-08 16:06:02.781555143 -0300
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@@ -220,7 +220,8 @@
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++rp2; \
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\
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uint32_t res; \
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- if (__builtin_expect (ch < rp2->start, 0) \
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+ if (__builtin_expect (rp2->start == 0xffff, 0) \
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+ || __builtin_expect (ch < rp2->start, 0) \
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|| (res = DB_TO_UCS4[ch + rp2->idx], \
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__builtin_expect (res, L'\1') == L'\0' && ch != '\0')) \
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{ \
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diff -Nura eglibc-2.19.orig/libc/iconvdata/ibm932.c eglibc-2.19/libc/iconvdata/ibm932.c
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--- eglibc-2.19.orig/libc/iconvdata/ibm932.c 2015-01-08 16:05:53.910818967 -0300
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+++ eglibc-2.19/libc/iconvdata/ibm932.c 2015-01-08 16:06:02.781555143 -0300
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@@ -73,11 +73,12 @@
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} \
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\
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ch = (ch * 0x100) + inptr[1]; \
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+ /* ch was less than 0xfd. */ \
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+ assert (ch < 0xfd00); \
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while (ch > rp2->end) \
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++rp2; \
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\
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- if (__builtin_expect (rp2 == NULL, 0) \
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- || __builtin_expect (ch < rp2->start, 0) \
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+ if (__builtin_expect (ch < rp2->start, 0) \
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|| (res = __ibm932db_to_ucs4[ch + rp2->idx], \
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__builtin_expect (res, '\1') == 0 && ch !=0)) \
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{ \
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diff -Nura eglibc-2.19.orig/libc/iconvdata/ibm933.c eglibc-2.19/libc/iconvdata/ibm933.c
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--- eglibc-2.19.orig/libc/iconvdata/ibm933.c 2015-01-08 16:05:53.917822706 -0300
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+++ eglibc-2.19/libc/iconvdata/ibm933.c 2015-01-08 16:06:02.781555143 -0300
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@@ -161,7 +161,7 @@
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while (ch > rp2->end) \
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++rp2; \
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\
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- if (__builtin_expect (rp2 == NULL, 0) \
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+ if (__builtin_expect (rp2->start == 0xffff, 0) \
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|| __builtin_expect (ch < rp2->start, 0) \
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|| (res = __ibm933db_to_ucs4[ch + rp2->idx], \
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__builtin_expect (res, L'\1') == L'\0' && ch != '\0')) \
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diff -Nura eglibc-2.19.orig/libc/iconvdata/ibm935.c eglibc-2.19/libc/iconvdata/ibm935.c
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--- eglibc-2.19.orig/libc/iconvdata/ibm935.c 2015-01-08 16:05:53.921824843 -0300
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+++ eglibc-2.19/libc/iconvdata/ibm935.c 2015-01-08 16:06:02.782555677 -0300
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@@ -161,7 +161,7 @@
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while (ch > rp2->end) \
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++rp2; \
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\
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- if (__builtin_expect (rp2 == NULL, 0) \
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+ if (__builtin_expect (rp2->start == 0xffff, 0) \
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|| __builtin_expect (ch < rp2->start, 0) \
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|| (res = __ibm935db_to_ucs4[ch + rp2->idx], \
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__builtin_expect (res, L'\1') == L'\0' && ch != '\0')) \
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diff -Nura eglibc-2.19.orig/libc/iconvdata/ibm937.c eglibc-2.19/libc/iconvdata/ibm937.c
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--- eglibc-2.19.orig/libc/iconvdata/ibm937.c 2015-01-08 16:05:53.915821638 -0300
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+++ eglibc-2.19/libc/iconvdata/ibm937.c 2015-01-08 16:06:02.782555677 -0300
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@@ -161,7 +161,7 @@
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while (ch > rp2->end) \
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++rp2; \
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\
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- if (__builtin_expect (rp2 == NULL, 0) \
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+ if (__builtin_expect (rp2->start == 0xffff, 0) \
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|| __builtin_expect (ch < rp2->start, 0) \
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|| (res = __ibm937db_to_ucs4[ch + rp2->idx], \
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__builtin_expect (res, L'\1') == L'\0' && ch != '\0')) \
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diff -Nura eglibc-2.19.orig/libc/iconvdata/ibm939.c eglibc-2.19/libc/iconvdata/ibm939.c
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--- eglibc-2.19.orig/libc/iconvdata/ibm939.c 2015-01-08 16:05:53.917822706 -0300
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+++ eglibc-2.19/libc/iconvdata/ibm939.c 2015-01-08 16:06:02.782555677 -0300
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@@ -161,7 +161,7 @@
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while (ch > rp2->end) \
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++rp2; \
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\
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- if (__builtin_expect (rp2 == NULL, 0) \
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+ if (__builtin_expect (rp2->start == 0xffff, 0) \
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|| __builtin_expect (ch < rp2->start, 0) \
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|| (res = __ibm939db_to_ucs4[ch + rp2->idx], \
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__builtin_expect (res, L'\1') == L'\0' && ch != '\0')) \
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diff -Nura eglibc-2.19.orig/libc/iconvdata/ibm943.c eglibc-2.19/libc/iconvdata/ibm943.c
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--- eglibc-2.19.orig/libc/iconvdata/ibm943.c 2015-01-08 16:05:53.918823240 -0300
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+++ eglibc-2.19/libc/iconvdata/ibm943.c 2015-01-08 16:06:02.782555677 -0300
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@@ -74,11 +74,12 @@
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} \
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\
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ch = (ch * 0x100) + inptr[1]; \
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+ /* ch was less than 0xfd. */ \
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+ assert (ch < 0xfd00); \
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while (ch > rp2->end) \
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++rp2; \
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\
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- if (__builtin_expect (rp2 == NULL, 0) \
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- || __builtin_expect (ch < rp2->start, 0) \
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+ if (__builtin_expect (ch < rp2->start, 0) \
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|| (res = __ibm943db_to_ucs4[ch + rp2->idx], \
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__builtin_expect (res, '\1') == 0 && ch !=0)) \
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{ \
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diff -Nura eglibc-2.19.orig/libc/iconvdata/Makefile eglibc-2.19/libc/iconvdata/Makefile
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--- eglibc-2.19.orig/libc/iconvdata/Makefile 2015-01-08 16:05:53.903815227 -0300
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+++ eglibc-2.19/libc/iconvdata/Makefile 2015-01-08 16:06:02.782555677 -0300
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@@ -303,6 +303,7 @@
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$(objpfx)iconv-test.out: run-iconv-test.sh $(objpfx)gconv-modules \
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$(addprefix $(objpfx),$(modules.so)) \
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$(common-objdir)/iconv/iconv_prog TESTS
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+ iconv_modules="$(modules)" \
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$(SHELL) $< $(common-objdir) '$(test-wrapper)' > $@
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$(objpfx)tst-tables.out: tst-tables.sh $(objpfx)gconv-modules \
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diff -Nura eglibc-2.19.orig/libc/iconvdata/run-iconv-test.sh eglibc-2.19/libc/iconvdata/run-iconv-test.sh
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--- eglibc-2.19.orig/libc/iconvdata/run-iconv-test.sh 2015-01-08 16:05:53.894810420 -0300
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+++ eglibc-2.19/libc/iconvdata/run-iconv-test.sh 2015-01-08 16:06:02.782555677 -0300
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@@ -188,6 +188,24 @@
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done < TESTS2
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+# Check for crashes in decoders.
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+printf '\016\377\377\377\377\377\377\377' > $temp1
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+for from in $iconv_modules ; do
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+ echo $ac_n "test decoder $from $ac_c"
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+ PROG=`eval echo $ICONV`
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+ if $PROG < $temp1 >/dev/null 2>&1 ; then
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+ : # fall through
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+ else
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+ status=$?
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+ if test $status -gt 1 ; then
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+ echo "/FAILED"
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+ failed=1
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+ continue
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+ fi
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+ fi
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+ echo "OK"
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+done
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+
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exit $failed
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# Local Variables:
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# mode:shell-script
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